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  1. #1
    Join Date
    Dec 2008
    Location
    melbourne
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    3

    Default Getting a good finish on Pine

    Guys

    a quick question - i have routed some pine for some picture frames and i have ended up in some areas of the pine some rough finish...im not quite sure why its there but it doesnt seem to want to sand smooth in those spots either.......is there a trick to getting a smooth finish by building up with poly or something to get this feeling smooth

    sorry if im not clear in explaining but i hope you understand

  2. #2
    Join Date
    Dec 2008
    Location
    NUBEENA TASMANIA AUSTRALIA
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    71
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    Default

    Hi milesy,

    Not an uncommon problem.
    You could use a sanding sealer, or a thinned down coat of your finish, varnish, ? paint, ?, whatever.
    Sand with a fine grit. Repeat if necessary.
    Hope this helps.

    Paul.
    I FISH THEREFORE I AM.

  3. #3
    Join Date
    Dec 2008
    Location
    melbourne
    Posts
    3

    Default

    thanks Paul

    so what i have done is put a couple of decent coats of wipe on poly on it......if i wait a day or so for that to harden up and then sand back with some fine paper you beleive i should be able to remove the roughness of that area?

  4. #4
    Join Date
    Feb 2008
    Location
    Peakhurst
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    67
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    0

    Default

    Milsey,

    Yes basically you got it. Coat with your preference and sand. Use grits above 400 for smoothing it out and try not to rub through.

  5. #5
    Join Date
    Dec 2008
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    NUBEENA TASMANIA AUSTRALIA
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    Default

    Good Luck mate.
    This is not really a problem, just needs a bit of work to resolve.
    You may have to repeat the process 2/3 times.
    Take your time, you will be fine.

    Paul.
    I FISH THEREFORE I AM.

  6. #6
    Join Date
    Aug 2005
    Location
    Queensland
    Posts
    613

    Default

    Agree with the above but just a couple of extras,

    try not to rout too deeply - leave just less than 1mm as a final cut - call it a "cleaner or shave" cut

    check out for grain direction - it may be necessary to "back rout" aka "climb cutting" to get a better finish [all cautions re back routing of course]

    ensure that your cutters are as sharp as you can get them - you tend to get more of the "problem" with blunt cutters

    not too fast or slow when cutting - a little like Goldilocks - just right - no formula I'm aware of except trial and error. In other words don't start on the "real" piece if you suspect there could be a problem - have a go on some scrap first.

    Just some thoughts.

  7. #7
    Join Date
    May 2009
    Location
    JKT, Indonesia
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    0

    Default

    I've been doing a lot with pine..., even with a very sharp (new) bit, you'll likely to meet those kind of problem. Try to rise the grain with water (many times I use very diluted water base sanding sealer ).

    To make it perfectly smoth.... like other have said.... you'll need to do lots of sanding.
    that's pine...., easy to work BUT difficult to finish (well not always BUT most of the time it happen) !!!

  8. #8
    Join Date
    Jul 2005
    Location
    Oberon, NSW
    Age
    64
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    0

    Default

    Are you talking about a rough finish over what was an otherwise smooth surface, or are you talking about "tear-out?"

    If the former, it may be caused by oily resins in the timber. Wiping down the timber immediately before applying the finish with something like acetone or metho (something which degrades oils and evaporates quickly without leaving a residue) can make a major difference to how well the finish can go on.
    I may be weird, but I'm saving up to become eccentric.

    - Andy Mc

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